Datasourceforcryptocurrency
/
node_modules
/fast-check
/lib
/esm
/check
/property
/AsyncProperty.generic.js
| import { PreconditionFailure } from '../precondition/PreconditionFailure.js'; | |
| import { runIdToFrequency } from './IRawProperty.js'; | |
| import { readConfigureGlobal } from '../runner/configuration/GlobalParameters.js'; | |
| import { Stream } from '../../stream/Stream.js'; | |
| import { noUndefinedAsContext, UndefinedContextPlaceholder, } from '../../arbitrary/_internals/helpers/NoUndefinedAsContext.js'; | |
| import { Error, String } from '../../utils/globals.js'; | |
| export class AsyncProperty { | |
| constructor(arb, predicate) { | |
| this.arb = arb; | |
| this.predicate = predicate; | |
| const { asyncBeforeEach, asyncAfterEach, beforeEach, afterEach } = readConfigureGlobal() || {}; | |
| if (asyncBeforeEach !== undefined && beforeEach !== undefined) { | |
| throw Error('Global "asyncBeforeEach" and "beforeEach" parameters can\'t be set at the same time when running async properties'); | |
| } | |
| if (asyncAfterEach !== undefined && afterEach !== undefined) { | |
| throw Error('Global "asyncAfterEach" and "afterEach" parameters can\'t be set at the same time when running async properties'); | |
| } | |
| this.beforeEachHook = asyncBeforeEach || beforeEach || AsyncProperty.dummyHook; | |
| this.afterEachHook = asyncAfterEach || afterEach || AsyncProperty.dummyHook; | |
| } | |
| isAsync() { | |
| return true; | |
| } | |
| generate(mrng, runId) { | |
| const value = this.arb.generate(mrng, runId != null ? runIdToFrequency(runId) : undefined); | |
| return noUndefinedAsContext(value); | |
| } | |
| shrink(value) { | |
| if (value.context === undefined && !this.arb.canShrinkWithoutContext(value.value_)) { | |
| return Stream.nil(); | |
| } | |
| const safeContext = value.context !== UndefinedContextPlaceholder ? value.context : undefined; | |
| return this.arb.shrink(value.value_, safeContext).map(noUndefinedAsContext); | |
| } | |
| async runBeforeEach() { | |
| await this.beforeEachHook(); | |
| } | |
| async runAfterEach() { | |
| await this.afterEachHook(); | |
| } | |
| async run(v, dontRunHook) { | |
| if (!dontRunHook) { | |
| await this.beforeEachHook(); | |
| } | |
| try { | |
| const output = await this.predicate(v); | |
| return output == null || output === true | |
| ? null | |
| : { | |
| error: new Error('Property failed by returning false'), | |
| errorMessage: 'Error: Property failed by returning false', | |
| }; | |
| } | |
| catch (err) { | |
| if (PreconditionFailure.isFailure(err)) | |
| return err; | |
| if (err instanceof Error && err.stack) { | |
| return { error: err, errorMessage: err.stack }; | |
| } | |
| return { error: err, errorMessage: String(err) }; | |
| } | |
| finally { | |
| if (!dontRunHook) { | |
| await this.afterEachHook(); | |
| } | |
| } | |
| } | |
| beforeEach(hookFunction) { | |
| const previousBeforeEachHook = this.beforeEachHook; | |
| this.beforeEachHook = () => hookFunction(previousBeforeEachHook); | |
| return this; | |
| } | |
| afterEach(hookFunction) { | |
| const previousAfterEachHook = this.afterEachHook; | |
| this.afterEachHook = () => hookFunction(previousAfterEachHook); | |
| return this; | |
| } | |
| } | |
| AsyncProperty.dummyHook = () => { }; | |